More Gym environments

[stites]

Gym Environments:

• [ ] algorithmic
• [ ] atari
• [ ] board_game
• [ ] box2d
• [x] classic_control
• [ ] debugging
• [ ] mujoco
• [ ] parameter_tuning
• [ ] safety
• [ ] toy_text (started)

Huge speed improvements have been seen in cartpole when reimplementing the environment in haskell. If possible, converting any of these environments into haskell native would be preferred.